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Mechanical Performance and Durability of Fly Ash Recycled Aggregate Concretes

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Abstract:

According to the concept of sustainable development, the environmental load of a building must be evaluated throughout its life cycle, from design to construction, maintenance or repair, demolition, and rubble disposal. Therefore, from a holistic point of view, sustainable construction means designing a reinforced concrete structure with proper durability during a specified service life. This paper discusses the effect of partial and full replacement of natural aggregates by recycled concrete aggregates (RCA) in a fly ash concrete. Engineering properties and durability performance have been examined for mixtures designed with various proportions of the RCA by mass. Results obtained showed that the addition of RCA lowers concrete performance, but the combined use of RCA and fly ash could allow to achieve adequate engineering properties and durability.

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Periodical:

Advanced Materials Research (Volumes 538-541)

Pages:

1568-1572

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.538-541.1568

Citation:

Cite this paper

Online since:

June 2012

Authors:

Valeria Corinaldesi

Keywords:

Durability, Fly Ash (FA), Recycled Concrete Aggregate (RCA), Recycling, Sustainable Building

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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